C52/100
EUREKA TOWN OF — Water Quality Report 2026
Serving 1,995 people · Montana
Water Source
Surface Water
County
—
System ID
MT0000210
Violations
25
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.72 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About EUREKA TOWN OF
Is EUREKA TOWN OF water safe to drink?
EUREKA TOWN OF water receives a grade of C (52/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 25 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EUREKA TOWN OF detected?
2 contaminants were tested in EUREKA TOWN OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does EUREKA TOWN OF have any EPA violations?
Yes, EUREKA TOWN OF has 25 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, TT, MCL. 3 are health-based violations.
How many people does EUREKA TOWN OF serve?
EUREKA TOWN OF serves approximately 1,995 people, Montana. The system provides water to 1 community: Eureka.
What type of water does EUREKA TOWN OF provide?
EUREKA TOWN OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MT0000210.
How does EUREKA TOWN OF compare to other utilities in Montana?
EUREKA TOWN OF scores 52/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Montana state page for a full comparison of water systems.